<template>
  <div class="comment-reply">
    <van-nav-bar
   :title="comment.reply_count > 0 ? `${comment.reply_count}条回复` : '暂无回复'"
    >
    <van-icon
     slot="left"
      name="cross"
      @click="$emit('close')"
      />
    </van-nav-bar>
      <div class="scroll-wrap">
             <!-- 当前评论项 -->
             <commentItem :comment="comment"/>
             <!-- /当前评论项 -->

             <!-- 评论的回复列表 -->
             <van-cell title="所有回复" />
               <comment-list
               :list="commentList"
             :source="comment.com_id"
             type="c"
             />
            <!-- /评论的回复列表 -->
          </div>

    <!--底部区域 -->
        <div class="post-wrap">
      <van-button
       class="post-btn"
        size="small"
         round
          @click='isPostShow = true'
          >写评论
          </van-button>
    </div>
    <!--底部区域 -->

        <!-- 发布评论 -->
    <van-popup v-model="isPostShow" position="bottom">
      <comment-post
        :target="comment.com_id"
         @post-success="onPostSuccess"
      />
    </van-popup>
    <!-- /发布评论 -->
  </div>
</template>

<script>
import CommentItem from './comment-item.vue'
import CommentList from './comment-list'
import CommentPost from './comment-post'

export default {
  name: 'CommentReply',
  components: {
    CommentItem,
    CommentList,
    CommentPost
  },
  props: {
    comment: {
      type: Object,
      required: true
    }
  },
  data () {
    return {
      isPostShow: false,
      commentList: [] //
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    onPostSuccess (data) {
      console.log(123, data)

      // 更新回复的数量
      this.comment.reply_count++

      // 关闭弹层
      this.isPostShow = false

      // 将最新回复的内容展示到列表的顶部
      this.commentList.unshift(data.new_obj)
    }
  }
}
</script>

<style scoped lang="less">
.post-wrap {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  border-top: 1px solid #d8d8d8;
  .post-btn {
    width: 60%;
  }
}
.scroll-wrap {
  position: fixed;
  top: 92px;
  left: 0;
  right: 0;
  bottom: 88px;
  overflow-y: auto;
}</style>
